[Bug 1890039] [NEW] attempting to install ubuntu 20.04 and the installer crashed saying it was unable to run grub installer

[Tadasu]

Public bug reported:

I am running on a pretty odd setup trying to get an installation onto a
usb stick but as far as I know that should work, there is a chance that
the bus simply flaked out during installation. If needed I can test if
thats the case further and frankly I am going to continue trying to do
the same thing.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.15
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: wl zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckMismatches: ./pool/restricted/l/linux-restricted-modules/linux-modules-nvidia-440-generic-hwe-20.04_5.4.0-26.30+2_amd64.deb ./pool/restricted/l/linux-restricted-modules/linux-modules-nvidia-390-generic-hwe-20.04_5.4.0-26.30+2_amd64.deb
CasperMD5CheckResult: skip
CasperVersion: 1.445
Date: Sun Aug  2 06:43:01 2020
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal ubiquity-20.04.15 ubuntu

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https://bugs.launchpad.net/bugs/1890039

Title:
  attempting to install ubuntu 20.04 and the installer crashed saying it
  was unable to run grub installer

Status in grub-installer package in Ubuntu:
  New

Bug description:
  I am running on a pretty odd setup trying to get an installation onto
  a usb stick but as far as I know that should work, there is a chance
  that the bus simply flaked out during installation. If needed I can
  test if thats the case further and frankly I am going to continue
  trying to do the same thing.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.15
  ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
  Uname: Linux 5.4.0-26-generic x86_64
  NonfreeKernelModules: wl zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckMismatches: ./pool/restricted/l/linux-restricted-modules/linux-modules-nvidia-440-generic-hwe-20.04_5.4.0-26.30+2_amd64.deb ./pool/restricted/l/linux-restricted-modules/linux-modules-nvidia-390-generic-hwe-20.04_5.4.0-26.30+2_amd64.deb
  CasperMD5CheckResult: skip
  CasperVersion: 1.445
  Date: Sun Aug  2 06:43:01 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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